Can-soldering machine.



J. 0. PETZBR. CAN SOLDEBING MACHINE.

APPLICATION TILED MAY 17, 1907.

904,192. Patented Nov. 17, 1908.

3 SHEETS-SHEET 1.

vii/K1 2 2 265 J'. G. FETZER.

CAN SOLDIER-IN G MACHINE.

PPLIOATION TILED MAY 17, 1907.

904, 192, A Patented Nov. 17, 1908.

3 SHEETS-SHEET 2.

J. G. FETZER. CAN SOLDEBING MACHINE.

APPLICATION FILED MAY 17, 1907. 904, 1 92,

Patented Nov. 17,1908.

3SHEET8-SHEET 8.

' win 51%;; liy C 2/ I F I /l TTOR/VE VS i To all whom it may UNITED STATES".

JOHN o. FETZER, or noorns'rou, rLLiNors.

GAN-BOLDEBING 'IACKDTE.

sgeciflcation oi-Lettera Patent.

Patented Nov, 17, 1908.

Application flied Kay 17, 1907. Serial No. 875182.

State of Illinois, haveinvented a new and useful Can-Solderin Machine, of which the following is a speci cation.

w'lhis -1nvention relates to can soldering machines, and has for its rincipal object to provide a machine, where y both heads of a can may be simultaneously soldered to the body during a single passage of the can thro h the machine. a

A rther object of the invention is to provide acan soldering machine inwhich the solder is applied by movable members, as distinguished from the familiar type of can soldering machines, wherein the cans are dipped.

A still further object of the invention is to provide a machine in which the cans are traveled continuously through the machine, and during their transit are supplied with a suitable flux, such as muriatic acid or the like, and then a quantity of solder, after which the cans pass through wipers which remove the surplus solder and form a smooth oint.

A still further object of the invention is to rovide a' device of this class in which a sol er is applied by means of rollers that dip.

into a bath of molten solder and carry a thin film of the same up to the joint in such direction that there is a tendency to force the solder under the flange of the can head or bottom;

A still further object of the invention is toprovide a mechanism of this class that may be readilyadmsted for operation on cans of difierent size. With these and other objects inview, as

- will more fully hereinafter ap ear, the invention'consists in certain nove features of .-construction and arrangement of parts, hereinafter .fully' described, illustrated in the accompanying drawings, and particularly ted out'in the appended claims, it being understood that various changes in the form, proportions, size and minor details of the structure may from the spirit or sacrificing any of the Inthe accompanying drawiu :'-Figure 1 is a side elevation of a can so derin machine'constructed in accordance with t e invention. Fig. 2 is a plan view of the same.

be made without departwhich the m of solder is carried to the soldering point.

Similar numerals of reference are employed to indicate corresponding parts throughout the several figures of the drawings.

The machine is mounted on a suitable supporting table 10 that is provided at each end center of the machine the table is support by thetop walls of a furnace 12, over which the solder trough is located, the furnace being of an suitable construction and arranged to urn coal, wood, oil, gas or any otherfuel for the purposeof keeping the solder in a molten state.

Arranged side by side flux containing trough trough 16, and these may be provided with any suitable automatic mechanisms for maintaining the-level of the contents, such, for instance, as floats, automatic valves, or the like. v

The ends of the troughs are provided w1th bearing blocks 17 arranged in pairs, those of each pair being adjusta 15, and a solder le toward and from each other, and in these bearin blocks are mounted shafts 18, 19, the sha ts 18 carr ing flux applying rollers-20, and the sha s 19. carrying solder applying rollers 21. The can to he soldered travels on these rollers, moving in. the direction of the length of the rollers, and the adjustable bearings permit of the use of the apparatus in connection with cans of diflerent size.

Supported by the trough s des or frame are'pairs of uprights 22, having inwardly extending arms 23, which are connected toether by a pair of longitudinal bars 24. hese bars form down in contact w1th the rolls.

The'upri guards 25w ich engage w1th the canto s and ottoms for the urpose' of holding t 0 lat- .te'r' in place, anatthe same time prevent.

endwise displacement of the cans.

uards 25 are carried by bolts 26 that pro- ;ect through openings in the u rights or '1 standards, the bolts having1 suitab e nuts 27, l whereby they maybe hel in place. As a guards that hold the can ts 22 form supports for side F1 3 is an end elevation of the machine loo g from the left of Fig. 1, one of the cam ides being shown in section. Fig. 4 is a s milar view looking from the op site end 0 the machine. Fig. 5 is a detai view on an enlarged scale showing the manner in with lugs or standards 11 and at about the on the table is a These further precaution the troughs carry plates or bars 29 thatare disposed between the rollers of each pair in order to prevent dropping of the can into the flux or solder in case the can is fed in endwise.

- In the upper portions of the u rights or end to end of the flux and solder troughs,

and at the same time causes the cans to revolve. The weight of the chain is in itself suflicient to hold the cans down in contact with the flux and solder applying rollers, so that the upper guards 24 are not absolutely essential.

At one end of the solder trough is a horizontally disposed shaft 37 carrying a pair of bevel gears 38 which intermesh with corresponding bevel gears on the ends of the shafts 19, these bevel gears 38 being adjustable in the direction of the length of the shaft 37, in order to accommodate adjustment of the solderapplying rollers. 21. The

shaft 37 is connected to the driving shaft 32 by a suitable belt 40 and belt wheels or pulleys.

At the front or feed end of the machine is a transversely disposed shaft 42 carrying bevel gears 43 adjustable lengthwise of the shaft and intermeshing with corresponding bevel gears of the shafts of the flux applying rollers. This shaft 42 is connected to the shaft 30 by a belt 44 and suitable belt wheels.

In the operation of the mechanism as thus far described, the cans are fed in at the endof the flux trough and are caught by the chain 35 and revolve on the rollers 20 and 21 as they pass through the machine. The flux applying rollers are rotated in opposite directions, respectively, that is to say, they rotate toward the ends of the can, so that the film of flux carried upward will, to some extent, be forced under the flanges of the tops and bottoms of the cans. The rollers rotate at sufficient speed to apply the necessary flux, and such rollers are of suflicient machine.

length to insure at least one complete rotation of the can as it travels through the The can then reaches the solder applylngmolls, where the operation is repeated, these rollers moving in the same dlrectlon as the flux rollers, and tending to force the films of solder into the flanges of the tops and bottoms.- It is to be understood that this method of applying the flux and the solder, or either of them, may be advantageously used where the top or the bottom alone is being soldered, or in the uniting of other pieces of metal, especially where it is desired to force the flux or solder under a flange. In order to complete the can, the

latter is then fed to a wiping device, where the surplus solder is removed and the solder still in a comparatively soft or semi-molten condition, is brushed in to the seam or flange.

Beyond the end of the solder trough is a pair of rectangular frames 48, that are provided with adjustable side guards 49 and bottom supports 50 of the can. These frames further carry two shafts 52 and 53, having pulleys 54 connected by a feed belt 55 that is arranged to engage with the top of the can and rotate the same 'while feeding it forward. This frame is provided with a pair of upper bearings 56 adjustable from and toward each other, and a pair of lower bearings 57 that are adjustable vertically. These several bearings carry shafts 59, 60, 61, 62, and on all of the shafts are wiper rolls 63, said rolls being preferably formed of a-plurality of disks of felt, leather, or textile material, or of any other material which will tend to wipe the solder from the surface of the can and force the semimolten solder into the flange or seam, and by means of the adjustable bearings these wiper rolls may be made to accommodate cans of varying size. The shafts, respectively, carry sprocket wheels 70, 71, 72 and 73.

' Y At the rear end of the machine is a driven shaft 75 carrying fast and loose pulleys, this shaft being belted to the upper shaft 53 which drives the feed belt 55. The shaft 75 carries bevel gears 78 which intermesh with bevel gears 79 on short shafts 80 that are provided with sprocket wheels 81. One of the sprocket wheels 81 is connected to the sprocket wheels 70 and 72 bya link belt 83, while the other sprocket wheel 81 is connected to the sprocket wheels 71 and 73 by a link belt 84, the sprocket wheels being of uniform diameter so that the several rollers may be driven at the I claim 2- 1. A can soldering machinecomprising a solder trough, a pair of solder applying rolls dipping therelnto, a pair of guards carried by the frame and engaging the ends of the can, a pair of upper guards for engagement with the sides of the can, means for feeding the can, and a protecting stri arranged below the level of the rolls an disposed between the rolls.

2. In a machine of the class described, a frame, a flux containing trough, and a solder containin trough carrled thereby, a pair of flux supp ying rollers dipping into the flux' trough, a pair of solder ap lymg rollers dipping into the solder troug guards for engagement with the ends and upper portions of the cans, a drag chain for revolving the same speed.

' thesolder rolls, and means cans and feeding the same across the flux rolls,,then across the solder rolls a plurality of wiper rolls, means for feeding the can through the wiper rolls after assing from Y or operating said rolls.-

3."In a soldering machine the combina-- tion with oppositely disposed flux-applying rolls, solderapplying rolls alining therewith, means for sup lying fluids to said rolls, and wiping ro ls; of parallel side guards extending continuouslyabove all of said rolls, means for adjusting said guards relative to each other, longitudinal holding bars supported above the side guards for holding cans upon the rolls, endless means disposed between said bars for dragging cans lon itudinally of the rolls, and means for simu taneously rotatin the rolls of each set upwardly and outwar ly relative to the ends of the cans. 7

In testimony that I claim the foregoing as my own, I have hereto afiixed my signature in the presence of two witnesses.

JOHN C. FETZER.

Witnesses: 7 WILLIAM B. SAINDON, GEORGE P. RANSOM. 

